Name the ruler of Jammu and Kashmir who was a patron of Arts and Literature.

The correct answer is: C. Ranbir Singh.

Ranbir Singh (1830–1885) was the Maharaja of Jammu and Kashmir from 1857 to 1885. He was a patron of arts and literature, and he built many temples, mosques, and schools in Jammu and Kashmir. He also established the Ranbir Sanskrit College in Jammu in 1882.

Gulab Singh (1792–1857) was the founder of the Dogra dynasty in Jammu and Kashmir. He was a general in the army of Maharaja Ranjit Singh of Punjab, and he was appointed the governor of Jammu in 1822. He conquered Kashmir in 1846, and he became the Maharaja of Jammu and Kashmir in 1846.

Ranjit Singh (1780–1839) was the Maharaja of Punjab from 1799 to 1839. He was a great warrior and statesman, and he united the Sikh principalities into a powerful kingdom. He was also a patron of arts and literature, and he built many temples, mosques, and schools in Punjab.

None of these is the correct answer.